Chronic Daily Headache Associated to Analgesic Abuse is found in 3% of general population, and it is a not unusual cause of medical consultation. The International Headache Society Classification does not have a complete approach about this entity and the therapeutic modalities are not unanimous in the international literature at the present time. The objective of this article is to be helpful to the generalist formation of medical students and residents, reviewing the concepts and the therapeutic actualization about this entity. The text begins with the pathology definition, and gives a general view about the historical aspects, pathophysiology, clinical findings and diagnoses criteria, with a special attention to the treatment.
Oliveira, M. F., & Speciali, J. G. (2002). Cefaléia crônica diária: Conceitos e tratamentos. In Medicina (Vol. 35, pp. 455–463).